diff --git a/chconf.h b/chconf.h
index 56a273b..deb0f9e 100644
--- a/chconf.h
+++ b/chconf.h
@@ -48,7 +48,7 @@
  * @details Frequency of the system timer that drives the system ticks. This
  *          setting also defines the system tick time unit.
  */
-#define CH_CFG_ST_FREQUENCY                 2000
+#define CH_CFG_ST_FREQUENCY                 10000
 
 /**
  * @brief   Time delta constant for the tick-less mode.
diff --git a/ili9341.c b/ili9341.c
index 2594683..833f1c6 100644
--- a/ili9341.c
+++ b/ili9341.c
@@ -469,6 +469,12 @@ void ili9341_fill(int x, int y, int w, int h)
   dmaStreamSetMemory0(dmatx, &background_color);
   dmaStreamSetMode(dmatx, txdmamode | STM32_DMA_CR_PSIZE_HWORD | STM32_DMA_CR_MSIZE_HWORD);
   dmaStreamFlush(w * h);
+  if (auto_capture) {
+     send_region("fill", x,y,w,h);
+     spi_buffer[0] = background_color;
+     send_buffer((uint8_t *)spi_buffer, 2);
+//     auto_capture = false;
+  }
 //  LCD_CS_HIGH;
 }
 
@@ -483,6 +489,13 @@ void ili9341_bulk(int x, int y, int w, int h)
   dmaStreamSetMode(dmatx, txdmamode | STM32_DMA_CR_PSIZE_HWORD |
                               STM32_DMA_CR_MSIZE_HWORD | STM32_DMA_CR_MINC);
   dmaStreamFlush(w * h);
+#if 1
+  if (auto_capture) {
+     send_region("bulk", x,y,w,h);
+     send_buffer((uint8_t *)spi_buffer, w*h*2);
+//     auto_capture = false;
+  }
+#endif
 //  LCD_CS_HIGH;
 }
 #endif
diff --git a/main.c b/main.c
index c29bb69..b43ddc1 100644
--- a/main.c
+++ b/main.c
@@ -106,6 +106,7 @@ static int8_t drive_strength = DRIVE_STRENGTH_AUTO;
 #endif
 uint8_t sweep_mode = SWEEP_ENABLE;
 volatile uint8_t redraw_request = 0; // contains REDRAW_XXX flags
+volatile int auto_capture = false;
 
 // Version text, displayed in Config->Version menu, also send by info command
 const char *info_about[]={
@@ -124,7 +125,6 @@ const char *info_about[]={
 };
 
 uint16_t dirty = true;
-
 bool completed = false;
 
 static THD_WORKING_AREA(waThread1, 1124);
@@ -806,12 +806,51 @@ VNA_SHELL_FUNCTION(cmd_dump)
 }
 #endif
 
+VNA_SHELL_FUNCTION(cmd_refresh)
+{
+// read pixel count at one time (PART*2 bytes required for read buffer)
+  int i, y;
+  int m = generic_option_cmd("refresh", "off|on", argc, argv[0]);
+  if (m>=0) {
+    auto_capture = m;
+  }
+}
+
+volatile int mouse_x = 0;
+volatile int mouse_y = 0;
+volatile int mouse_down = false;
+
+VNA_SHELL_FUNCTION(cmd_touch)
+{
+  if (argc == 2){
+    mouse_x = (uint32_t)my_atoi(argv[0]);
+    mouse_y = (uint32_t)my_atoi(argv[1]);
+    mouse_down = true;
+    handle_touch_interrupt();
+  }
+}
+
+VNA_SHELL_FUNCTION(cmd_release)
+{
+  if (argc==2) {
+    mouse_x = (uint32_t)my_atoi(argv[0]);
+    mouse_y = (uint32_t)my_atoi(argv[1]);
+  }
+  mouse_down = false;
+  handle_touch_interrupt();
+}
+
 VNA_SHELL_FUNCTION(cmd_capture)
 {
 // read pixel count at one time (PART*2 bytes required for read buffer)
-  (void)argc;
-  (void)argv;
   int i, y;
+#if 0
+  int m = generic_option_cmd("capture", "off|on", argc, argv[0]);
+  if (m>=0) {
+    auto_capture = m;
+    return;
+  }
+#endif
 #if SPI_BUFFER_SIZE < (2*LCD_WIDTH)
 #error "Low size of spi_buffer for cmd_capture"
 #endif
@@ -826,6 +865,26 @@ VNA_SHELL_FUNCTION(cmd_capture)
   }
 }
 
+void send_region(const char *t, int x, int y, int w, int h)
+{
+  shell_printf("%s\r\n", t);
+  streamPut(shell_stream, (((uint16_t) x) & 0xff));
+  streamPut(shell_stream, (((uint16_t)x>>8) & 0xff));
+  streamPut(shell_stream, (((uint16_t) y) & 0xff));
+  streamPut(shell_stream, (((uint16_t)y>>8) & 0xff));
+  streamPut(shell_stream, (((uint16_t) w) & 0xff));
+  streamPut(shell_stream, (((uint16_t)w>>8) & 0xff));
+  streamPut(shell_stream, (((uint16_t) h) & 0xff));
+  streamPut(shell_stream, (((uint16_t)h>>8) & 0xff));
+}
+
+void send_buffer(uint8_t * buf, int s)
+{
+  for (int i = 0; i < s; i++) {
+    streamPut(shell_stream, *buf++);
+  }
+  shell_printf("ch> \r\n");
+}
 #if 0
 VNA_SHELL_FUNCTION(cmd_gamma)
 {
@@ -2385,6 +2444,10 @@ static const VNAShellCommand commands[] =
     {"edelay"      , cmd_edelay      , 0},
 #endif
     {"capture"     , cmd_capture     , CMD_WAIT_MUTEX},
+    {"refresh"     , cmd_refresh     , 0},
+    {"touch"       , cmd_touch       , 0},
+    {"release"     , cmd_release     , 0},
+
     {"vbat"        , cmd_vbat        , CMD_WAIT_MUTEX},     // Uses same adc as touch!!!!!
 #ifdef ENABLE_VBAT_OFFSET_COMMAND
     {"vbat_offset" , cmd_vbat_offset , 0},
diff --git a/nanovna.h b/nanovna.h
index 28e3e70..40d6dcf 100644
--- a/nanovna.h
+++ b/nanovna.h
@@ -98,6 +98,11 @@ typedef float measurement_t[TRACES_MAX][POINTS_COUNT];
 extern measurement_t measured;
 #endif
 
+extern volatile int auto_capture;
+extern volatile int mouse_x;
+extern volatile int mouse_y;
+extern volatile int mouse_down;
+
 #ifdef __VNA__
 // Minimum frequency set
 #define START_MIN                50000
@@ -167,6 +172,8 @@ uint32_t get_sweep_frequency(int type);
 void my_microsecond_delay(int t);
 float my_atof(const char *p);
 int shell_printf(const char *fmt, ...);
+void send_region(const char *t, int x, int y, int w, int h);
+void send_buffer(uint8_t * buf, int s);
 
 void set_marker_frequency(int m, uint32_t f);
 void toggle_sweep(void);
@@ -307,6 +314,8 @@ void set_measurement(int);
 //extern int setting.step_delay;
 void sweep_remote(void);
 extern void set_modulo(uint32_t f);
+extern int generic_option_cmd( const char *cmd, const char *cmd_list, int argc, char *argv);
+
 #ifdef __AUDIO__
 /*
  * dsp.c
diff --git a/sa_core.c b/sa_core.c
index 653b6b6..e8aa7ff 100644
--- a/sa_core.c
+++ b/sa_core.c
@@ -1762,31 +1762,24 @@ search_maximum(int m, uint32_t center, int span)
 //static const unsigned int spur_alternate_IF =  DEFAULT_SPUR_IF;       // if the frequency is found in the spur table use this IF frequency
 static const uint32_t spur_table[] =                                 // Frequencies to avoid
 {
- 117716000,
- 243775000,
+// 117716000,
+ 243775000,             // OK
 // 244250000,
- 325000000,
+ 325000000,             // Not OK
 // 325190000,
- 487541650,             // This is linked to the MODULO of the ADF4350
+ 487541650,             // OK This is linked to the MODULO of the ADF4350
 // 487993000,
 // 488020700,
  // 487551700,
 // 487578000,
 // 488500000,
- 650700000,
+ 650687000,             // OK
 // 651333333,
- 732750000,
- 746083000
- /*
-  * 144.3
-  * 159
-  * 209.8 30MHz
-  * 239.8
-  * 269.9  30MHz?
-  */
-
- // 1956000000,
-#if 0
+ 731780000,             // OK
+// 746083000
+
+
+ #if 0
  // 580000,            // 433.8 MHz table
 // 880000,    //?
  960000,
diff --git a/ui.c b/ui.c
index 1c41b48..3a879b4 100644
--- a/ui.c
+++ b/ui.c
@@ -312,6 +312,14 @@ touch_check(void)
       last_touch_x = x;
       last_touch_y = y;
     }
+    mouse_down = false;
+  }
+  if (!stat) {
+    stat = mouse_down;
+    if (mouse_down) {
+      last_touch_x = mouse_x;
+      last_touch_y = mouse_y;
+    }
   }
 #if 0                                           // Long press detection
   systime_t ticks = chVTGetSystemTimeX();
@@ -420,12 +428,15 @@ touch_draw_test(void)
   do {
     if (touch_check() == EVT_TOUCH_PRESSED){
       touch_position(&x0, &y0);
+      ili9341_line(x0, y0, x0, y0);
       do {
         chThdSleepMilliseconds(50);
         touch_position(&x1, &y1);
-        ili9341_line(x0, y0, x1, y1);
-        x0 = x1;
-        y0 = y1;
+        if (x0!= x1 || y0 != y1) {
+          ili9341_line(x0, y0, x1, y1);
+          x0 = x1;
+          y0 = y1;
+        }
       } while (touch_check() != EVT_TOUCH_RELEASED);
     }
   }while (!(btn_check() & EVT_BUTTON_SINGLE_CLICK));
@@ -436,8 +447,8 @@ touch_draw_test(void)
 void
 touch_position(int *x, int *y)
 {
-  *x = (last_touch_x - config.touch_cal[0]) * 16 / config.touch_cal[2];
-  *y = (last_touch_y - config.touch_cal[1]) * 16 / config.touch_cal[3];
+  *x = (mouse_down ? mouse_x : (last_touch_x - config.touch_cal[0]) * 16 / config.touch_cal[2]);
+  *y = (mouse_down ? mouse_y : (last_touch_y - config.touch_cal[1]) * 16 / config.touch_cal[3]);
 }
 
 
@@ -2862,6 +2873,9 @@ void ui_process_touch(void)
 }
 
 static int previous_button_state = 0;
+static int previous_mouse_state = 0;
+static int previous_mouse_x = 0;
+static int previous_mouse_y = 0;
 
 void
 ui_process(void)
@@ -2874,10 +2888,12 @@ ui_process(void)
   if (operation_requested&OP_LEVER || previous_button_state != button_state) {
     ui_process_lever();
     previous_button_state = button_state;
-  }
-  if (operation_requested&OP_TOUCH)
+    operation_requested = OP_NONE;
+  } else if (operation_requested&OP_TOUCH || previous_mouse_state != mouse_down || previous_mouse_x != mouse_x || previous_mouse_y != mouse_y) {
     ui_process_touch();
-  operation_requested = OP_NONE;
+    previous_mouse_state = mouse_down;
+    operation_requested = OP_NONE;
+  }
 }
 
 /* Triggered when the button is pressed or released. The LED4 is set to ON.*/
diff --git a/ui_sa.c b/ui_sa.c
index 7147f19..1453f2e 100644
--- a/ui_sa.c
+++ b/ui_sa.c
@@ -971,10 +971,10 @@ static UI_FUNCTION_ADV_CALLBACK(menu_measure_acb)
       kp_help_text = "Modulation frequency, 3 .. 10 kHz";
       ui_mode_keypad(KM_SPAN);
       ui_process_keypad();
-      if (uistat.value < 3000)
-        break;
+//      if (uistat.value < 3000)
+//        break;
       span = uistat.value;
-      set_sweep_frequency(ST_SPAN, 50000);     // 100kHz
+      set_sweep_frequency(ST_SPAN, span * 10);
 //      update_frequencies();                     // To ensure markers are positioned right!!!!!!
       set_measurement(M_AM);
       set_marker_frequency(0, center);
@@ -1402,6 +1402,22 @@ static UI_FUNCTION_ADV_CALLBACK(menu_pause_acb)
 //  draw_cal_status();
 }
 
+static UI_FUNCTION_ADV_CALLBACK(menu_send_display_acb)
+{
+  (void) data;
+  (void) item;
+  if (b){
+    b->icon = auto_capture ? BUTTON_ICON_CHECK : BUTTON_ICON_NOCHECK;
+    return;
+  }
+  auto_capture = ! auto_capture;
+//  menu_move_back();
+//  ui_mode_normal();
+  draw_menu();
+//  draw_cal_status();
+}
+
+
 static UI_FUNCTION_ADV_CALLBACK(menu_outputmode_acb)
 {
   (void) data;
@@ -1991,6 +2007,7 @@ static const menuitem_t menu_display[] = {
   { MT_ADV_CALLBACK,3,          "NORMALIZE",       menu_storage_acb},
   { MT_ADV_CALLBACK,4,          "WATER\nFALL",     menu_waterfall_acb},
   { MT_SUBMENU, 0,              "SWEEP\nSETTINGS", menu_sweep_speed},
+  { MT_ADV_CALLBACK,0,          "SEND\nDISPLAY",    menu_send_display_acb},
 //  { MT_KEYPAD,  KM_SWEEP_TIME,  "SWEEP\nTIME",    NULL},
 
   { MT_CANCEL, 0,           S_LARROW" BACK", NULL },